Improves $_POST variable validation before deleting a smiley
Improves $_POST variable validation before deleting a smiley

Signed-off-by: Jon Stovell <5fe09b7d9f00fd95250ae2a73993b352b084988d@gmail.com>

StealthWombat/SMF2.1-more-forkery,StealthWombat/SMF2.1-more-forkery